All S&P/ASX indices are regularly rebalanced to ensure they remain liquid and tradable.
| Index | Rebalance Months |
|---|---|
| S&P/ASX 20 | March, June, September and December. |
| S&P/ASX 50 | March, June, September and December. |
| S&P/ASX 100 | March, June, September and December. |
| S&P/ASX 200 | March, June, September and December. |
| S&P/ASX 300 | March and September. |
| All Ordinaries | March |
When do rebalances occur?
• After the market closes on the third Friday of March, June, September and December.
How much notice is given?
• The market is notified one to two weeks prior to all upcoming constituent changes.
March, June & December - one week notice is given
September - two weeks notice is given
Note: Starting March 2016, only one week notice will be given for Quarterly Rebalances in March, June and December. September will keep the two week notice period.
What criteria are used for company selection?
• Additional details on the index calculation and company selection methodology can be found on the index methodology page.
As the S&P/ASX 200 is Australia's flagship index, additional announcements (e.g. intra-quarterly additions and removals) are released to the public. These can be found on the ASX 200 announcements page.
| Announcement | Indices Involved |
|---|---|
| March 2019 | S&P/ASX 20, 50, 100, 200, 300, All Ordinaries. |
| December 2018 | S&P/ASX 20, 50, 100, 200. |
| September 2018 | S&P/ASX 20, 50, 100, 200, 300. |
| June 2018 | S&P/ASX 20, 50, 100, 200. |
| March 2018 | S&P/ASX 20, 50, 100, 200, 300, All Ordinaries. |
| December 2017 | S&P/ASX 20, 50, 100, 200. |
| September 2017 | S&P/ASX 20, 50, 100, 200, 300. |
| June 2017 | S&P/ASX 20, 50, 100, 200. |
| March 2017 (2) | S&P/ASX 20, 50, 100, 200, 300, All Ordinaries. |
| December 2016 | S&P/ASX 20, 50, 100, 200. |
| September 2016 | S&P/ASX 20, 50, 100, 200, 300. |
| June 2016 | S&P/ASX 20, 50, 100, 200. |
| March 2016 | S&P/ASX 20, 50, 100, 200, 300, All Ordinaries. |
| December 2015 | S&P/ASX 20, 50, 100, 200. |
| September 2015 | S&P/ASX 20, 50, 100, 200, 300. |
| June 2015 | S&P/ASX 20, 50, 100, 200. |
| March 2015 | S&P/ASX 20, 50, 100, 200, 300, All Ordinaries. |
| December 2014 | S&P/ASX 20, 50, 100, 200. |
| September 2014 | S&P/ASX 20, 50, 100, 200, 300. |
| June 2014 | S&P/ASX 20, 50, 100, 200. |
| March 2014 | S&P/ASX 20, 50, 100, 200, 300, All Ordinaries. |
| December 2013 | S&P/ASX 20, 50, 100, 200. |
| September 2013 | S&P/ASX 20, 50, 100, 200, 300. |
| June 2013 | S&P/ASX 20, 50, 100, 200. |
| March 2013 | S&P/ASX 20, 50, 100, 200, 300, All Ordinaries. |
| December 2012 | S&P/ASX 20, 50, 100, 200. |
| September 2012 | S&P/ASX 20, 50, 100, 200, 300. |
| June 2012 | S&P/ASX 20, 50, 100, 200. |
| March 2012 | S&P/ASX 20, 50, 100, 200, 300, All Ordinaries. |
| December 2011 | S&P/ASX 20, 50, 100, 200. |
| September 2011 | S&P/ASX 20, 50, 100, 200, 300. |